Iron Loss Analysis / Loss Analysis
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[JAC167] Iron Loss Analysis of a Three Phase Induction Motor
This Application Note presents an example of how to find the iron loss in the stator core and rotor core at a rotation speed of 3,300 r/min.
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[JAC202] Core Stray Loss Analysis of Power Transformer
This document introduces runs analysis by modeling the short-circuit test that is conducted when evaluating stray loss and obtains stray loss distribution in the core close to the…
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[JAC181] Analysis of SR Motor Drive Characteristics
This example presents how to confirm drive characteristics such as torque, loss, and efficiency in a motor when its switch timing changes for each rotation speed.
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[JAC142] Press Fit Analysis of a Divided Core
This Application Note presents how to use the Press Fit condition to model an analysis of the stress from fitting a core to a frame, and then obtain the iron loss density of an IP…
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[JAC221] Confirmation of the Influence from the Reduction of High-Frequency Resistance of a Magnetically Plated Wire Choke Coil
In this example, high frequency resistance values are obtained from choke coil copper loss analysis results using JMAG’s layer coating mesh function, and the effectiveness of redu…
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[JAC201] Iron Loss Analysis of an SR Motor
This example, to accurately capture iron loss that occurs in the SR motor, we will introduce hysteresis loss accounting for the hysteresis loop of the materials and the iron loss …
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[W-MB-64] Modeling Loss in JMAG-RT
In this paper, we explain how loss is modeled in a JMAG-RT model.
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[W-MO-85] Efficiency Map Evaluations Considering Harmonic Loss
In this paper, we propose a method that combines two approaches to calculate the efficiency at various operating points considering the influence of time harmonics and other effec…
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[W-MA-50] Effectiveness and Limits of 2D Analysis from Loss Analysis
In electromagnetic field analysis, 2D analysis (FEM) that include iron loss evaluations are widely used as a way to find a balance between finely detailed analysis and convenient …
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[W-MA-47] Toward Practical Application of Iron Loss Analysis Taking Stress into Account
Increasing the accuracy of an iron loss analysis for a magnetic field analysis poses challenges. With conventional iron loss calculation methods, the iron loss characteristics of …
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[W-TR-15] Loss Evaluation of a Transformer Shield Based on the Homogenization Method
In this paper, each electromagnetic steel sheet of the shield is not modeled; by applying the homogenization method which replaces magnetically and electrically equivalent materia…
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[W-MO-24] Copper Loss Analysis of a Rotating Machine Using the Zooming Method
In this paper, this method is applied to a copper loss characteristics analysis of wires in a 2D rotating machine as well as a loss analysis of litz wires in a 3D rotating machine…
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[W-SE-113] Reduction of Calculation Time Using Equivalent Circuit Model
In electrical machine design, the use of coupled analysis between the electromagnetic FEA and the motor drive control circuit is necessary in order to have an understanding of the…
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[L-MO-108] Motor Performance Evaluation Considering Control
At the motor component design stage, motor performance is evaluated using an ideal sinusoidal current.
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[W-MA-111] Improvements in Accuracy of Anomalous Eddy Current Loss Calculations (2)
The iron loss analysis method the most commonly applied uses measured iron loss data (hereinafter referred to as the conventional method). In the conventional method, since the ap…
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[L-MU-110] Reaching Steady-State at an Early Stage Using a Control Circuit Containing a JMAG-RT Model
Many motor performance evaluations are performed at steady-state. If transients occur during control/circuit coupling, it is necessary to calculate the number of electrical angle …
